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Finding the Fourth Proportional to 473,322.78, 653,184.54 and 303,556.50

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Solution

The fourth proportional to 473,322.78, 653,184.54 and 303,556.50 is: 418,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,322.78 : 653,184.54 = 303,556.50 : x
  2. Step 2: Convert to fraction form
    473,322.78/653,184.54 = 303,556.50/x
  3. Step 3: Cross multiply
    473,322.78x = 653,184.54 × 303,556.50
  4. Step 4: Simplify right side
    473,322.78x = 198,278,412,816.51
  5. Step 5: Solve for x
    x = 198,278,412,816.51/473,322.78
  6. Step 6: Final answer
    x = 418,907.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.